Flow price: --
a3ac600921b9ec97f3d03f988182f803abd0cf467d46f5dd1c5c2d35224f9af0

Transaction

Hash: a3ac600921b9ec97f3d03f988182f803abd0cf467d46f5dd1c5c2d35224f9af0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a3ac600921b9ec97f3d03f988182f803abd0cf467d46f5dd1c5c2d35224f9af0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a3ac600921b9ec97f3d03f988182f803abd0cf467d46f5dd1c5c2d35224f9af0
Status:
ERROR
Block height:
40114576
Block id:
0bc67772841df96c5ec3f5836e0451d86c7b6b510f160454562742d53fd0ec9d
Timestamp:
Tuesday 1 November 2022 at 15:49:01 UTC
()
Proposer:
Authorizers:
Gas used:
48